19688916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{126211}}^1$

素因数の和:126231

約数の個数: 24

約数和(自身を含む): 49475104

約数和(自身を除く): 29786188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 126211, 252422, 378633, 504844, 757266, 1514532, 1640743, 3281486, 4922229, 6562972, 9844458, 19688916]

約数ペア:

[(1, 19688916), (2, 9844458), (3, 6562972), (4, 4922229), (6, 3281486), (12, 1640743), (13, 1514532), (26, 757266), (39, 504844), (52, 378633), (78, 252422), (156, 126211)]